add gateway info for position marker

src/index.js

@@ -488,6 +488,8 @@ app.get('/api/v1/nodes/:nodeId/position-history', async (req, res) => {
                 latitude: position.latitude,
                 longitude: position.longitude,
                 altitude: position.altitude,
+                gateway_id: position.gateway_id,
+                channel_id: position.channel_id,
                 created_at: position.created_at,
             });
         });